<!DOCTYPE html>
<style>
.green {
  background-color: green;
}
.box {
  width: 200px;
  height: 200px;
  position: absolute;
  left: 300px;
}
</style>
<!--
    This test checks that we correctly invalidate reflection when they are removed.
    There should be only one green box below.
-->
<div class="green box" id="box"></div>
